Perhaps you should try some spelling variations:
trade development » software development
5.2 communication » 3.2 communication, 6.2 communication, 2.2 communication
inflation rates » inflation rate
technology die » technologie die, technology does, technology 4ir
development li » development lid, development lie, development lin
die inflation » does inflation, der inflation, price inflation
costs trade » costly trade
li afrique » l afrique, en afrique
east 5.2 » east 5.1, east 5.1.2, east 5.2.6

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technology die inflation rates east 5.2 communication costs trade development li afrique.*.